California earthquakes

M3.4 earthquake 21 km NE of Soledad, California

A magnitude 3.4 earthquake struck 21 km NE of Soledad, California on Fri, Nov 4, 1977, 7:12 AM PST (15:12 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.8 10 km SW of Oak Shores, California. This one was a foreshock.

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 3.4 (ml), minor
Local time: Fri, Nov 4, 1977, 7:12 AM PST
UTC: 1977-11-04 15:12:52 UTC
Depth: 6.1 km (3.8 mi), shallow
Epicenter: 36.586° N, 121.185° W
Region: California
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 0.1 km horizontally, 0.3 km in depth
Depth from: From location
Station coverage gap: 35°
Stations used: 76

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 186 in the 60 days after this one and 4 in the 30 days before it.

After

The first 60 of 186.

Before

Earthquakes today California earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1037563 (also filed as ci3335877, usp0000rcd). Read Tue, Sep 22, 2026, 9:40 AM UTC.